value	unc_up	unc_lo	author	ref	method
3.68	0.880	0.880	Nugent	2016AJ....152...63N	NEATM
3.76	0.252	0.252	Masiero	2011ApJ...741...68M	NEATM
4.56	1.850	1.850	Masiero	2012ApJ...759L...8M	NEATM